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Bumphead parrotfish

Bolbometopon muricatum

  • Fish
  • IUCN: Vulnerable
  • Usual depth2–18 m
  • Water temperature21–30 °C
  • Best monthsMarch, April, and October
  • How commonOccasional
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Photo credit: (c) Rickard Zerpe, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

The green humphead parrotfish is the largest species of parrotfish, growing to lengths of 1.3 m (4.3 ft) and weighing up to 46 kg (101 lb), though some sources report a total length of 1.5 m and weight of 75 kg (165 lb). It is the only species in the monotypic genus Bolbometopon. Fossil remains of Bolbometopon sp. are known from the Late Miocene of Sri Lanka.

Text from the Wikipedia article “Green humphead parrotfish”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 66 records
  • February: 74 records
  • March: 216 records
  • April: 205 records
  • May: 98 records
  • June: 91 records
  • July: 99 records
  • August: 74 records
  • September: 77 records
  • October: 176 records
  • November: 104 records
  • December: 95 records

Depth and water temperature

Depth

Mostly recorded at 2–18 m · Deepest record: 48 m

  • 0–10 m: 101 records
  • 10–20 m: 168 records
  • 20–30 m: 9 records
  • 30–40 m: 0 records
  • 40–50 m: 1 records

Water temperature

Recorded in surface water of 21–30 °C

  • 20–22 °C: 1 records
  • 22–24 °C: 0 records
  • 24–26 °C: 25 records
  • 26–28 °C: 192 records
  • 28–30 °C: 87 records

Names and classification

English
Bumphead parrotfish, Green humphead parrotfish, bumphead parrotfish, Double-headed Parrotfish, green humphead parrotfish, Humphead Parrotfish
Names in 4 more languages
Spanish
Loro Cototo Verde
French
Filambase, Perroquet à bosse, Perroquet bossu vert
Japanese
Kammuribudai, カンムリブダイ
Simplified Chinese
隆頭鸚哥魚, 駝峰大鸚嘴魚, 驼峰大鹦嘴鱼, 鸚哥

Other scientific names: Bolbomatopon muricatum, Bolbometopon muricantum, Bolbometopon muricatus, Bulbometopon muricatum, Callyodon muricatus, Scarus muricatus

Similar species

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

  • Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 512 open-data records from 1840 to 2023.
  • Species data updated October 26, 2026.

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